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Finding the Fourth Proportional to 510,736.88, 766,103.29 and 155,749.88

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Solution

The fourth proportional to 510,736.88, 766,103.29 and 155,749.88 is: 233,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,736.88 : 766,103.29 = 155,749.88 : x
  2. Step 2: Convert to fraction form
    510,736.88/766,103.29 = 155,749.88/x
  3. Step 3: Cross multiply
    510,736.88x = 766,103.29 × 155,749.88
  4. Step 4: Simplify right side
    510,736.88x = 119,320,495,485.11
  5. Step 5: Solve for x
    x = 119,320,495,485.11/510,736.88
  6. Step 6: Final answer
    x = 233,624.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.